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UPD43256BCZ-70LL 参数 Datasheet PDF下载

UPD43256BCZ-70LL图片预览
型号: UPD43256BCZ-70LL
PDF下载: 下载PDF文件 查看货源
内容描述: 256K - BIT的CMOS静态RAM的32K字×8位 [256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT]
分类和应用: 存储内存集成电路静态存储器光电二极管
文件页数/大小: 24 页 / 174 K
品牌: NEC [ NEC ]
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µ
PD43256B
DC Characteristics (Recommended operating conditions unless otherwise noted) (2/2)
µ
PD43256B-A
Parameter
Input leakage current
I/O leakage current
Symbol
I
LI
I
LO
Test conditions
V
IN
= 0 V to V
CC
V
I/O
= 0 V to V
CC
CS = V
IH
or WE = V
IL
or OE = V
IH
µ
PD43256B-B
Unit
MIN. TYP. MAX. MIN. TYP. MAX.
–1.0
–1.0
+1.0 –1.0
+1.0 –1.0
+1.0
+1.0
µ
A
µ
A
mA
Operating supply current
I
CCA1
µ
PD43256B-A85
Minimum cycle time,
µ
PD43256B-A10
I
I/O
= 0 mA
µ
PD43256B-A12
CS = V
IL
,
45
µ
PD43256B-B10
µ
PD43256B-B12
µ
PD43256B-B15
V
CC
3.3 V
I
CCA2
CS = V
IL
, I
I/O
= 0 mA
V
CC
3.3 V
I
CCA3
CS
0.2 V, Cycle = 1 MHz,
I
I/O
= 0 mA, V
IL
0.2 V,
V
IH
V
CC
– 0.2 V
Standby supply current
I
SB
CS = V
IH
V
CC
3.3 V
I
SB1
CS
V
CC
– 0.2 V
V
CC
3.3 V
High level output voltage
V
OH1
I
OH
= –1.0 mA, V
CC
4.5 V
I
OH
= –0.5 mA, V
CC
< 4.5 V
V
OH2
I
OH
= –0.1 mA
I
OH
= –0.02 mA
Low level output voltage
V
OL
I
OL
= 2.1 mA, V
CC
4.5 V
I
OL
= 1.0 mA, V
CC
< 4.5 V
V
OL1
I
OL
= 0.02 mA
2.4
2.4
V
CC
–0.1
0.5
V
CC
3.3 V
45
10
10
20
10
5
10
3
15
2.4
2.4
V
CC
–0.1
0.4
0.4
0.1
0.5
0.5
5
3
2
15
10
V
mA
µ
A
0.4
0.4
0.1
V
Remarks 1.
V
IN
: Input voltage
2.
These DC characteristics are in common regardless of package types.
Capacitance (T
A
= 25 ˚C, f = 1 MHz)
Parameter
Input capacitance
Input/Output capacitance
Symbol
C
IN
C
I/O
V
IN
= 0 V
V
I/O
= 0 V
Test conditions
MIN.
TYP.
MAX.
5
8
Unit
pF
pF
Remarks 1.
V
IN
: Input voltage
2.
These parameters are periodically sampled and not 100 % tested.
8